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Mathematics 11 Online
OpenStudy (anonymous):

The universal set is the set of whole numbers less than 14. U = {0,1,2,3,4,5,6,7 ,8 ,9 ,10 ,11 ,12 ,13} Set J is the set that represents the numbers that Janet thinks are lucky. J={3,7} Set K is the set that represents the numbers that Kyle thinks are awesome! K={2,4,6,8} Set L is the set that represents the numbers that Lauren thinks she should write on the wall of her bedroom (with her parent’s permission, of course)! L={0,3,5,6,7,8,9} What is the set defined by ~(J ∪K) ?

OpenStudy (anonymous):

please help

hartnn (hartnn):

can you find \(\Large (J \cup K)\) first ?

hartnn (hartnn):

or know how to find ?

OpenStudy (anonymous):

j or k correct

hartnn (hartnn):

yes

hartnn (hartnn):

can you find the elements of that set ?

OpenStudy (anonymous):

3,7,6,8

hartnn (hartnn):

what about 2 and 4 ?

OpenStudy (anonymous):

oh sorry did not see them

OpenStudy (anonymous):

3,7,6,8,2,4

hartnn (hartnn):

yes now ~\(\ (J \cup K) \) are the elements which are NOT in \(J\cup K\) but are there in universal set U which are those ?

OpenStudy (anonymous):

sorry were doing i whole review for end of course and i forgot this

OpenStudy (anonymous):

*a

OpenStudy (anonymous):

ok um

OpenStudy (anonymous):

9,5

OpenStudy (anonymous):

and 0

hartnn (hartnn):

how about 1 ? and numbers after 9

OpenStudy (anonymous):

ok looked at the wrong list

OpenStudy (anonymous):

9 ,10 ,11 ,12 ,13,0,1

OpenStudy (anonymous):

{0,1,5,9,10,11,12,13}

OpenStudy (anonymous):

can you help with another

hartnn (hartnn):

{0,1,2,3,4,5,6,7 ,8 ,9 ,10 ,11 ,12 ,13} - {2,3,4,6,7,8} = {0,1, 5, 9,10,11,12} correct! sure :)

OpenStudy (anonymous):

Question 3 of 10 At the most recent Comic-Con, 100 people were surveyed about what comics they liked. There are 44 people who liked The Batman, 51 people who liked Spiderman, and 39 people who liked Hulk. There are five people who only liked The Batman and Spiderman; four people who only liked both Spiderman and Hulk; and three people who only liked The Batman and Hulk. 28 people liked all three. How many people surveyed did NOT like any of the characters listed? Previous

OpenStudy (anonymous):

don't look a previous

OpenStudy (anonymous):

at*

hartnn (hartnn):

can you post that as a new question ? so that if i am unavailable, others can help you too :)

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